class FixRelations < ActiveRecord::Migration
  def self.up
     remove_column :sources, :source_user_id
     remove_column :users, :source_user_id
   
  end

  def self.down
    change_table :sources do |t|
      t.references :source_user
    end
    change_table :users do |t|
      t.references :source_user
    end
  end
end
